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Mitsubishi Electric FX5 User Manual page 77

Melsec iq-f series
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■Number of sent/received characters
Inverter
Parameter/
communication
instruction code
instruction
IVCK
H73, H7A, H7F, H6C
Other than above
IVDR
HF3, HFA, HFF
HFD
Other than above
IVRD
Change of the 2nd
parameter is
unnecessary.
Change of the 2nd
parameter is necessary.
IVWR
Change of the 2nd
parameter is
unnecessary.
Change of the 2nd
parameter is necessary.
*1
IVBWR
Change of the 2nd
parameter is
unnecessary.
Change of the 2nd
parameter is necessary.
IVMC
*1 Indicates the number of sent/received characters required to write 1 parameter. The IVBWR instruction executes parameter writing
repeatedly for the number of times of communication (s2).
*2 There is no response from the inverter because resetting is not complete. The PLC waits for 2.2 s until reset of the inverter is completed,
and then completes execution of the inverter communication instruction.
■Data check time of inverters
Make sure to refer to the manual of the inverter used, and confirm the data check time corresponding to the communication
command used.
Item
Various monitors, operation command, set frequency (RAM)
Parameters read/write, set frequency (EEPROM)
Parameter all clear/all clear
Reset instruction
The IVWR, IVRD and IVBWR instructions automatically change expansion parameters and the 2nd parameter.
The data check time for the last (2nd or 3rd) send/receive in the IVWR and IVRD instructions and the data check time for the
last send/receive of each parameter writing in the IVBWR instruction corresponds to parameter reading/writing (<30 ms).
The data check time for sending and receiving other than the above (such as expansion parameter change and 2nd
parameter change) corresponds to various monitors (<12 ms).
First
Send
Receive Total
9
9
18
9
11
20
11
4
15
*2
13
0
13
13
4
17
11
4
15
11
4
15
11
4
15
11
4
15
11
4
15
11
4
15
19
19
38
Data check time
<12 ms
<30 ms
<5 s
No response
(The PLC waits for 2.2 s until reset of the inverter is completed, and then
completes execution of the inverter communication instruction.)
Second
Send
Receive Total
9
11
20
11
4
15
13
4
17
11
4
15
13
4
17
11
4
15
4 INVERTER COMMUNICATION
Third
Send
Receive Total
9
11
20
13
4
17
13
4
17
75
4.4 Specifications
4

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